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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Operating activities:    
Net loss $ (12,052) $ (10,667)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Share-based compensation 310 290
Depreciation 1,090 1,138
Debt related fees and amortization expense 1,290 1,223
Intangibles and other amortization expense 12 12
Accretion of Series A preferred units 960 449
Deferred tax benefit (215) 0
Change in fair value of stock appreciation rights 0 35
Changes in operating assets and liabilities:    
Accounts receivable 384 (973)
Inventories 1,075 (173)
Prepaid expenses (117) 373
Other assets 428 (220)
Accounts payable 1,074 2,755
Accrued interest expense and fees 5,440 4,201
Other liabilities 931 (550)
Net cash provided by (used in) operating activities 610 (2,107)
Investing activities:    
Capital expenditures (2,372) (598)
Net cash used in investing activities (2,372) (598)
Financing activities:    
Proceeds from borrowings 3,780 7,349
Repayments of borrowings (3,645) (5,759)
GAFI proceeds from borrowings 0 24
GAFI repayments of borrowings 0 (55)
Proceeds from Series A preferred units financing 1,285 0
Net cash provided by financing activities 1,420 1,559
Effect of exchange rate changes on cash and cash equivalents (11) 1
Net cash and cash equivalents for period (353) (1,145)
Cash and cash equivalents at beginning of period 656 1,188
Cash and cash equivalents at end of period 303 43
Supplemental disclosures of cash flow information, cash paid:    
Cash paid for interest, net of capitalized interest of $88 and $64 for the three months ended March 31, 2020 and 2019, respectively 54 721
Income taxes paid 8 0
Supplemental disclosures of cash flow information, non-cash transactions:    
Subordinated debt extension fees added to debt 340 340
Fair value of warrants issued to subordinated debt holders 93 67
TEC debt extension, waiver fees, promissory notes fees added to debt 29 1,102
Capital expenditures in accounts payable 2,289 839
Operating lease liabilities arising from obtaining right-of-use assets 0 1,181
Capital expenditures purchased on financing $ 5,652 $ 0